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GB/T 24296-2009 English PDF

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GB/T 24296-2009: Standard specifications for sintered soft magnetic materials
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Standard similar to GB/T 24296-2009

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Basic data

Standard ID GB/T 24296-2009 (GB/T24296-2009)
Description (Translated English) Standard specifications for sintered soft magnetic materials
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K14
Classification of International Standard 29.030
Word Count Estimation 7,733
Date of Issue 2009-09-30
Date of Implementation 2010-02-01
Quoted Standard GB/T 231.1-2002; GB/T 2900.60; GB/T 3850-1983; GB/T 5163-2006; GB/T 9097.1-2002; GB/T 9637; GB/T 13888; GB/T 19076; IEC 60404-6-1986
Adopted Standard IEC 60404-8-9-1994, IDT
Regulation (derived from) Announcement of Newly Approved National Standards No. 10 of 2009 (No. 150 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the sintered soft magnetic metal material and mechanical properties of these metal materials by powder metallurgy manufacturing process for the production of magnetic components. This standard does not apply to casting or semi- soft products.

GB/T 24296-2009: Standard specifications for sintered soft magnetic materials

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Standard specifications for sintered soft magnetic materials ICS 29.030 K14 National Standards of People's Republic of China GB/T 24296-2009/IEC 60404-8-9.1994 Sintered soft magnetic material and technical conditions (IEC 60404-8-9.1994, Magneticmaterials- Part 8. Specificationsforindividualmaterials- Section9. Standardspecificationforsinteredsoftmagneticmaterials, IDT) Posted 2009-09-30 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is identical with IEC 60404-8-9.1994 "Magnetic materials - Part 8. Specifications for individual materials Section 9. sintered soft magnetic Material standards. " For ease of use, this standard made the following editorial changes. --- "This International Standard" be replaced by "this standard"; --- With a decimal point "." Instead of a comma as the decimal point "." The standard proposed by China Electrical Equipment Industrial Association. This standard by the National Standardization Technical Committee for Electrotechnical alloy (SAC/TC228) centralized. This standard was drafted. Guilin Electrical Apparatus Research Institute, China Institute of Metrology. The main drafters of this standard. Xie Yongzhong, Linan Li, HE Jian, Chen Jingsheng, Zhan Yaping, Feng Cui too. GB/T 24296-2009/IEC 60404-8-9.1994 Sintered soft magnetic material and technical conditions

1 Scope

This standard specifies the mechanical and magnetic properties of the sintered soft magnetic metal materials, these metallic materials by powder metallurgy manufacturing process for Making magnetic components. This standard does not apply to casting or semi-soft products.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Test Method. GB/T 231.1-2002 Brinell hardness test - Part 1 (eqvISO 6506-1.1999) GB/T 2900.60 Electrotechnical terminology electromagnetics (GB/T 2900.60-2002, eqvIEC 60050 (121).1998) GB/T 3850-1983 dense sintered metal materials and hardmetals - Determination of density (eqvISO 3369. 1975) GB/T 5163-2006 Sintered metal materials (excluding carbide) sintered metal material density, oil content and open porosity permeable Determination (ISO 2378.1999, IDT) GB/T 9097.1-2002 sintered metal materials (excluding carbide) Determination of apparent hardness - Part I. section hardness group The uniform material (eqvISO 4498-1.1990) GB/T 9637 Electrotechnical terminology Magnetic materials and components (GB/T 9637-2001, eqvIEC 60050 (221).1990) The method (GB/T 13888-2009, IEC 60404-7 GB/T 13888 measurement of coercivity of magnetic materials in an open magnetic circuit. 1982, IDT) GB/T 19076 sintered metal material specification (GB/T 19076-2003, ISO 5755.2001, IDT) IEC 60404-6. 1986 materials - Part 6. E1, E3 and measuring isotropic soft magnetic nickel-iron alloy magnetic properties of E4 method

3 Terms and Definitions

GB/T 2900.60 and GB/T 9637 and established the following terms and definitions apply to this standard. 3.1 In g/cm3 units of sintered density ρs equal representation sintered member (including porosity) in units of g m1 and mass in cm Denotes a unit of volume ratio of Vp. ρs = (1) 3.2 Sintered density ρs of the opening of the sintered metal member Ps expressed as a percentage of the total volume of pore volume content. Ps = 1-ρs () ρ × 100% (2) Where. ρ --- density of the same composition of material entities (theoretical density). GB/T 24296-2009/IEC 60404-8-9.1994

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